I must say I actually kinda agree TO AN EXTENT.
I think that releasing small games on mobile can indeed benefit the company and the consumer - it increases profit, which can in turn be used to develop the real games on the consoles. Not only that, but it can also increase awareness of the brand/franchise. Putting something like Dr. Mario (a PUZZLE game) on iOS just sounds logical really. A Lite version of Mario Kart DS or something also sounds reasonable.
Of course, when companies start developing freaking Bioshock for iOS, that's a whole other story.